TS (Single Row Tapered Roller Bearings) (Imperial) 3782-3730

The 3782-3730 is a single-row tapered roller bearing with a 1.75″ bore and 3.6718″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf in thrust, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery, automotive systems, or any equipment requiring robust load support.

Weighing 2.1 lb, it’s built to last with standard radial clearance options. Compliant with RoHS and REACH standards for safe and eco-friendly use.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number 3782-3730
Brand TFL
Interchangeable Timken
Size 1.75" x 3.6718" x 1.1876"
Bore Dia 1.75"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.6718"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.193"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9375"
Cup Width Tolerance +0.002" to -0.01
Width 1.1876"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.03"
Cone Frontface Backing Diameter 2.05"
Cone Backface Backing Diameter 2.28"
Cup Frontface Backing Diameter 3.50"
Cup Backface Backing Diameter 3.31"
Cage Cone Frontface Clearance 0.06"
Cage Cone Backface Clearance 0.06"
Effective Center Location -0.32"
System of Measurement Inch
Type Bearing
Cone Part Number 3782
Cup Part Number 3730
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 3700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 27500 lbf
Static Radial Load 34300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 2.1 lb

Features

Performance Features of 3782-3730 Bearing

3782-3730 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 27,500 lbf, making it suitable for heavy-duty applications.
The steel cage maintains roller alignment, ensuring smooth operation and reduced wear.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 3782-3730 Bearing Engineered for Reliability?

3782-3730 Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction enhances durability, while the steel cage provides stability.
Its dynamic thrust rating of 4,120 lbf ensures consistent performance under stress.
The standard radial clearance allows for flexibility in different applications.

Built for Durability: 3782-3730 Bearing

3782-3730 Bearing’s single-row construction ensures efficient load distribution and long service life.
The chrome steel rollers and rings resist wear, even in demanding environments.
With a static radial load capacity of 34,300 lbf, it excels in high-stress scenarios.
The open design simplifies maintenance, reducing downtime and operational costs.

Steel vs Ceramic Bearings: Strengths of 3782-3730 Bearing

3782-3730 Bearing uses chrome steel for both rollers and rings, balancing strength and cost-effectiveness.
Its dynamic radial rating of 7,120 lbf (C90) highlights its reliability over extended use.
The tapered roller design ensures smooth operation under combined loads.
With an ABEC-1 rating, it meets precision requirements for various industrial applications.

Application

Industrial Uses of 3782-3730 Bearing
You’ll often spot 3782-3730 Bearing in heavy machinery like construction equipment, where its tapered roller design handles combined radial and thrust loads effortlessly. The chrome steel construction gives it lasting durability in tough working conditions.

Where Is 3782-3730 Bearing Used?
In automotive applications, 3782-3730 Bearing works well in wheel hubs and differential systems, thanks to its precise imperial sizing. The steel cage keeps everything running smoothly even under constant vibration.

Built for Heavy-Duty Use: 3782-3730 Bearing
For industrial gearboxes, 3782-3730 Bearing’s standard radial clearance makes it a reliable choice for varied load conditions. Its ABEC-1 rating ensures consistent performance without over-engineering.

Automotive vs Aerospace: Applications of 3782-3730 Bearing
While 3782-3730 Bearing fits perfectly in truck axles, it’s also found in some aircraft landing gear components. The temperature range of -30° to 110°C covers most ground and low-altitude operations.

Key Fields for 3782-3730 Bearing
In agricultural machinery, 3782-3730 Bearing stands up to dirt and debris while maintaining smooth rotation. The open design allows for easy relubrication during routine maintenance checks.